22131344011 has 16 divisors (see below), whose sum is σ = 25407512064. Its totient is φ = 18883920384.

The previous prime is 22131343999. The next prime is 22131344029. The reversal of 22131344011 is 11044313122.

It is not a de Polignac number, because 22131344011 - 2⁵ = 22131343979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22131344111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3168555 + ... + 3175531.

It is an arithmetic number, because the mean of its divisors is an integer number (1587969504).

Almost surely, 2^22131344011 is an apocalyptic number.

22131344011 is a deficient number, since it is larger than the sum of its proper divisors (3276168053).

22131344011 is a wasteful number, since it uses less digits than its factorization.

22131344011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8970.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 22131344011 its reverse (11044313122), we get a palindrome (33175657133).

The spelling of 22131344011 in words is "twenty-two billion, one hundred thirty-one million, three hundred forty-four thousand, eleven".